Adjustable window shield



FIG. 1 is a front perspective view of a adjustable window shield showingmy new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing of a window is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for an adjustable window shield, as shown.